Update django-compressor requirement from ~=3.1 to ~=4.0
Update django-compressor requirement from ~=3.1 to ~=4.0

Updates the requirements on [django-compressor](https://github.com/django-compressor/django-compressor) to permit the latest version.
- [Release notes](https://github.com/django-compressor/django-compressor/releases)
- [Changelog](https://github.com/django-compressor/django-compressor/blob/develop/docs/changelog.txt)
- [Commits](https://github.com/django-compressor/django-compressor/compare/3.1...4.0)

---
updated-dependencies:
- dependency-name: django-compressor
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
wger-project/wger,wger-project/wger,wger-project/wger,wger-project/wger